13022531325 has 24 divisors (see below), whose sum is σ = 23922873600. Its totient is φ = 6945349680.

The previous prime is 13022531303. The next prime is 13022531341. The reversal of 13022531325 is 52313522031.

It is a happy number.

13022531325 is a `hidden beast` number, since 1 + 302 + 2 + 5 + 31 + 325 = 666.

It is not a de Polignac number, because 13022531325 - 2¹² = 13022527229 is a prime.

It is a super-2 number, since 2×13022531325² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9645645 + ... + 9646994.

It is an arithmetic number, because the mean of its divisors is an integer number (996786400).

Almost surely, 2^13022531325 is an apocalyptic number.

13022531325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13022531325 is a deficient number, since it is larger than the sum of its proper divisors (10900342275).

13022531325 is a wasteful number, since it uses less digits than its factorization.

13022531325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292658 (or 19292647 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

It can be divided in two parts, 13022531 and 325, that added together give a triangular number (13022856 = T₅₁₀₃).

The spelling of 13022531325 in words is "thirteen billion, twenty-two million, five hundred thirty-one thousand, three hundred twenty-five".